#include <stdio.h>
#include <math.h>
#include <string.h>
#include <stdlib.h>
#include "gd.h"

#define TRUE 1
#define FALSE 0

/* Exported functions: */
extern void gdImagePngToSink (gdImagePtr im, gdSinkPtr out);
extern gdImagePtr gdImageCreateFromPngSource (gdSourcePtr inSource);

/* Use this for commenting out debug-print statements. */
/* Just use the first '#define' to allow all the prints... */
/*#define GD_SS_DBG(s) (s) */
#define GD_SS_DBG(s)

#ifdef HAVE_LIBPNG
void gdImagePngToSink (gdImagePtr im, gdSinkPtr outSink)
{
  gdIOCtx *out = gdNewSSCtx(NULL, outSink);
  gdImagePngCtx(im, out);
  out->gd_free(out);
}

gdImagePtr gdImageCreateFromPngSource (gdSourcePtr inSource)
{
  gdIOCtx *in = gdNewSSCtx(inSource, NULL);
  gdImagePtr im;

  im = gdImageCreateFromPngCtx(in);

  in->gd_free(in);

  return im;
}
#else /* no HAVE_LIBPNG */
void gdImagePngToSink(gdImagePtr /*im*/, gdSinkPtr /*outSink*/) {
  php_gd_error("PNG support is not available");
}
gdImagePtr gdImageCreateFromPngSource(gdSourcePtr /*inSource*/) {
  php_gd_error("PNG support is not available");
  return NULL;
}
#endif /* HAVE_LIBPNG */

